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- A heuristic algorithm for variable ordering procedure was designed by using new variable representation, and a variable exchanging heuristic algorithm was used to escape from the local optima. 对分级模型提出改进的修复约束满足算法（修复法），通过采用新的变量表示形式，设计了变量排序的启发式算法，并采用变量互换启发式算法，以保证全局搜索性能。
- A constant, variable, function name, or expression. 一种常数、变量、函数名或表达式。
- The prices are variable, shop around by all means. 价格高低不一，所以一定要货比三家逐店选购。
- The temperature was a variable in the experiment. 在该实验中温度是个变量。
- Do you accept foreign exchange certificate? 你们接受外汇券兑换券吗？
- Trading on the Stock Exchange was light today. 证券交易所今日交投平平。
- A finite increment in a variable. 变量增量变量的有限增量
- The speed of the toy boat is variable. 玩具船的速度是可变的。
- A soldier was wounded in the exchange. 一名士兵在交火中受伤。
- Winds are mainly light and variable. 风力较弱，风向多变。
- He gave me an apple in exchange of an orange. 他给我一个苹果，交换一个橙子。
- Each telephone served by a private branch exchange. 由专用小交换机提供服务的电话分机。
- By just exchange one for another giver. 就这样以心相许相与。
- The London Stock Exchange is in turmoil today. 今天伦敦证券市场一片混乱。
- A programmed time delay of variable duration. 暂停，展宽一种由程序设置的可变持续时间的时间延迟
- Keep this exchange memo for reconversion into foreign currency. 保存好这张兑换水单以便兑换回外币。
- Is five apples for five eggs a fair exchange? 用五个苹果换五个鸡蛋公平吗?
- The New York stock exchange crashed in1929. 纽约股票交易所于一九二九年大崩溃。
- I'd like to exchange some pounds for dollars. 我想把一些英镑兑换成美金。
- An exchange of opinions is helpful. 相互交换意见是有益的。
